CN207889838U - Damping noise reduction type automobile rear-wheel cover - Google Patents

Abstract

A kind of damping noise reduction type automobile rear-wheel cover provided by the utility model, including integrally formed trailing wheel cover body, it is provided with reinforcement steel plate on the outside of the middle and back of the trailing wheel cover body, the reinforcement steel plate and the middle and back outer surface form-fit of trailing wheel cover body are simultaneously fixedly connected, and damping rubber pad is provided between the reinforcement steel plate and trailing wheel cover body；It can be to effectively promoting the overall structure rigidity of automobile rear-wheel cover, and effectively stone can be hit and noise that tire is made an uproar carries out noise reduction, it is ensured that the comfort of seating, and overall structure is compacter, and it is simply, of low cost, facilitate installation, reduce the dead weight of vehicle, to play the effect of oil-saving discharging-reducing.

Description

Shock-absorbing and noise-reducing car rear wheel cover

technical field

The utility model relates to an automobile part, in particular to a noise-reducing and vibration-reducing automobile rear wheel cover.

Background technique

The rear wheel cover of the car is an important part of the vehicle. On the one hand, it is used to reduce tire noise and the noise generated by the stone impact during the driving process of the vehicle is transmitted to the car. In the prior art, the rear wheel cover of the vehicle is sprayed with PVC glue on the outside of the car. , paste asphalt boards on the inside of the car, use sound insulation cotton, etc., this method has the following defects: PVC glue, sound insulation cotton and other sound insulation materials will gradually reduce their sound insulation effect due to factors such as road conditions, time, and improper operation by users. On the other hand, the entire The structure is complex, the cost is high, and it is not conducive to assembly. The overall rigidity of the wheel cover will decrease with the use time and road conditions; moreover, the asphalt board will increase the weight of the vehicle and increase fuel consumption.

Therefore, in order to solve the above-mentioned technical problems, need to propose a kind of automobile rear wheel cover of novel structure badly.

Utility model content

In view of this, the purpose of this utility model is to provide a shock-absorbing and noise-reducing automobile rear wheel cover, which can effectively improve the overall structural rigidity of the automobile rear wheel cover, and can effectively reduce the noise of stone impact and tire noise. , to ensure the comfort of the ride, and the overall structure is more compact, simple, low cost, easy to install, and reduce the weight of the vehicle, thereby achieving the effect of saving fuel and reducing emissions.

The utility model provides a shock-absorbing and noise-reducing automobile rear wheel cover, which comprises an integrally formed rear wheel cover body. The outer surface of the middle rear part of the main body conforms to fit and is fixedly connected, and a shock-absorbing rubber pad is arranged between the reinforced steel plate and the rear wheel house main body.

Further, the middle rear part of the rear wheel house body is recessed inward to form three longitudinal reinforcing ribs, and the rear end of the rear wheel house body is recessed inward to form transverse reinforcing ribs.

Further, the thickness of the reinforced steel plate is 0.5-0.65mm.

Further, the reinforcing steel plate is provided with steel plate reinforcing ribs conformally fitted with the longitudinal reinforcing ribs of the rear wheel house body.

Further, the shock-absorbing rubber pad is provided with a relief notch and a plurality of through holes, and the relief notch corresponds to the position of the longitudinal reinforcement rib and the transverse reinforcement rib of the rear wheel house body.

Further, the reinforcing steel plate is welded and fixed to the rear wheel house body.

Further, the middle rear upper end of the rear wheel house body extends upwards to form a joint, wherein a longitudinal reinforcing rib extends from the joint to the lower end of the rear wheel house body.

Beneficial effects of the utility model: the utility model can effectively improve the overall structural rigidity of the rear wheel cover of the automobile, and can effectively reduce the noise of stone impact and tire noise, so as to ensure the comfort of riding, and the overall structure is more It is compact, simple, low in cost, easy to install, and reduces the weight of the vehicle, thereby achieving the effect of saving fuel and reducing emissions.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model.

Figure 2 is an exploded view of Figure 1.

FIG. 3 is a schematic cross-sectional view of FIG. 1 .

Detailed ways

The utility model is further described below in conjunction with the accompanying drawings of the description:

The utility model provides a shock-absorbing and noise-reducing automobile rear wheel cover, which includes an integrally formed rear wheel cover body 1, and a reinforced steel plate 2 is arranged on the outer side of the middle and rear part of the rear wheel cover body 1, and the reinforced steel plate 2 It fits and is fixedly connected with the outer surface of the middle and rear part of the rear wheel house body 1, and a shock-absorbing rubber pad 3 is arranged between the reinforced steel plate 2 and the rear wheel house body 1. Through this structure, it can effectively lift the vehicle. The overall structural rigidity of the rear wheel cover can effectively reduce the noise of stone impact and tire noise to ensure the comfort of the ride, and the overall structure is more compact, simple, low-cost, easy to install, and reduce the weight of the vehicle. To achieve the effect of fuel saving and emission reduction, the one-piece molding adopts the method of stamping forming.

In this embodiment, the middle rear part of the rear wheel house body 1 is inwardly recessed to form three longitudinal reinforcing ribs 5 and the rear end of the rear wheel house body 1 is inwardly recessed to form a transverse reinforcing rib 7. Through this structure, the Effectively enhance the structural rigidity of the rear wheel cover body itself, so as to achieve a good noise reduction effect, and ensure that the noise reduction performance and stiffness of the overall structure have less attenuation.

In this embodiment, the thickness of the reinforcing steel plate 2 is 0.5-0.65 mm. Through this structure, the weight of the entire rear wheel cover can be reduced, thereby reducing the weight of the whole vehicle, and the rigidity requirements of the entire rear wheel cover can be ensured. Moreover, it is easier to form in the processing process and is convenient to manufacture.

In this embodiment, the reinforcing steel plate 2 is provided with a steel plate reinforcing rib 10 conformally fitted with the longitudinal reinforcing rib 5 of the rear wheel house body 1, of course, the reinforcing steel plate 2 is also provided with a steel plate conformably fitted with the rear wheel house body The transverse reinforcing rib 11; through this structure, the structural strength and rigidity of the reinforced steel plate are effectively guaranteed, and the tight fit between the reinforced steel plate and the rear wheel house body can be ensured to ensure the stability of the structure.

In this embodiment, the shock-absorbing rubber pad 3 is provided with a relief notch 8 and a plurality of through holes 9, and the relief notch 8 corresponds to the position of the longitudinal reinforcement rib 5 and the transverse reinforcement rib 7 of the rear wheel house body 1 , through this structure, the material can be reduced, the cost of use can be reduced, and more importantly, the matching requirements between the rear wheel house body and the reinforced steel plate can be ensured, and the shock-absorbing rubber pad has a greater elastic margin. Effectively improve the noise reduction performance of the entire rear axle.

In this embodiment, the reinforcing steel plate 2 is welded and fixed to the rear wheel house body 1, and this structure has high strength and good stability.

In this embodiment, the middle and rear upper end of the rear wheel house body 1 extends upwards to form a joint 4, wherein a longitudinal reinforcing rib 5 extends from the joint to the lower end of the rear wheel house body 1, and the other two longitudinal reinforcing ribs are located at The front of the longitudinal reinforcing rib, that is, the left direction in Fig. 2, through this structure, the joint can make the rear wheel house more convenient to install and arrange, and can better cooperate with the rear wheel house fixing device (or mounting bracket), The installed structure has good stability, and the strength and rigidity requirements of the rear wheel cover body can be ensured.

The front and rear in the above are corresponding to the left and right directions of the illustrations in Figure 1 and Figure 2, and the left is the front, and the area of the Zhongdian where the stone is hit by the stones rolled up by the vehicle during the driving process is where the reinforced steel plate is located. The area, the inner and outer in the above refers to the left side and the right side in Fig. 3. In practice, the wheel is located at the lower right side of the rear wheel housing body in Fig. 3.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the spirit and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (7)

1. a kind of damping noise reduction type automobile rear-wheel cover, it is characterised in that：Including integrally formed trailing wheel cover body, the rear wheel cover It is provided with reinforcement steel plate on the outside of the middle and back of ontology, the middle and back outer surface for reinforcing steel plate and trailing wheel cover body is conformal to match Merging is fixedly connected, and damping rubber pad is provided between the reinforcement steel plate and trailing wheel cover body.

2. damping noise reduction type automobile rear-wheel cover according to claim 1, it is characterised in that：The middle and back of the trailing wheel cover body Be recessed inwardly to be formed three longitudinally reinforced ribs and trailing wheel cover body rear end be recessed inwardly to be formed laterally reinforce rib.

3. damping noise reduction type automobile rear-wheel cover according to claim 1, it is characterised in that：It is described reinforce steel plate thickness be 0.5-0.65mm。

4. according to the damping noise reduction type automobile rear-wheel cover of claim 1 or 3, it is characterised in that：The reinforcement steel plate is provided with With the steel plate ribs of the longitudinally reinforced rib form-fit of trailing wheel cover body.

5. damping noise reduction type automobile rear-wheel cover according to claim 4, it is characterised in that：The damping rubber pad is provided with resigning Notch and multiple through-holes, longitudinally reinforced rib and the lateral position pair of reinforcing rib of the resigning breach with trailing wheel cover body It answers.

6. damping noise reduction type automobile rear-wheel cover according to claim 1, it is characterised in that：The reinforcement steel plate and rear wheel cover sheet Body is welded and fixed.

7. damping noise reduction type automobile rear-wheel cover according to claim 1, it is characterised in that：The middle and back of the trailing wheel cover body Upper end upwardly extends to form engaging portion, wherein a longitudinally reinforced rib extends to the lower end of trailing wheel cover body from engaging portion.